Dalian Haichen Chemical Mineral Co., Ltd

We have committed ourselves to this guiding principle. Straight flanges are extremely stressed in plant, apparatus, container and pipe construction. An uncompromising quality is indispensable here. For more than thirty years we have been a reliable p

Sigma Chemicals has been trading internationally for over 30 years and specializes in supplying to the Mining Industry. We also offer an important procuring service for remote mine sites and laboratories. Sigma currently exports to over 35 countries.

Production and sale of precision glasswares and apparatus for physicians and laboratories